Question

Write the definition of a function named timeOnHighway that receives three parameters, all of type double: mileEndingPoint , mileStartingPoint , and speed . The first two parameters indicate the mile markers on an interstate at which a vehicle goes to and starts at; the second parameter indicattes the speed of the vehicle in miles per hour. The function and returns the number of hours it takes a vehicle to from the starting mile marker to the ending one. The function has a default value for the speed: 55 miles per hour, and a default value for mileStartingPoint : 0.0.